CN208962285U - A kind of polyurethane foam line - Google Patents
A kind of polyurethane foam line Download PDFInfo
- Publication number
- CN208962285U CN208962285U CN201821513311.8U CN201821513311U CN208962285U CN 208962285 U CN208962285 U CN 208962285U CN 201821513311 U CN201821513311 U CN 201821513311U CN 208962285 U CN208962285 U CN 208962285U
- Authority
- CN
- China
- Prior art keywords
- mould bases
- polyurethane foam
- shield
- mould
- shaft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
Links
- 229920005830 Polyurethane Foam Polymers 0.000 title claims abstract description 75
- 239000011496 polyurethane foam Substances 0.000 title claims abstract description 75
- 238000005187 foaming Methods 0.000 claims abstract description 38
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 13
- 238000004891 communication Methods 0.000 claims abstract description 10
- 238000012423 maintenance Methods 0.000 claims abstract description 10
- 238000005096 rolling process Methods 0.000 claims abstract description 9
- 239000007921 spray Substances 0.000 claims description 28
- 239000003795 chemical substances by application Substances 0.000 claims description 23
- 239000002184 metal Substances 0.000 claims description 8
- 239000012530 fluid Substances 0.000 claims description 4
- 239000006260 foam Substances 0.000 claims description 4
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 230000008439 repair process Effects 0.000 claims description 3
- 230000009471 action Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 claims description 2
- 230000001960 triggered effect Effects 0.000 claims description 2
- 238000001514 detection method Methods 0.000 claims 1
- 239000000725 suspension Substances 0.000 claims 1
- 229920002635 polyurethane Polymers 0.000 description 4
- 239000004814 polyurethane Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- 230000036541 health Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
Landscapes
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model discloses a kind of polyurethane foam lines, it include: polyurethane foam mould bases, die heater, hydraulic station, controller, shield is equipped in the outside of polyurethane foam mould bases, the front end of shield is opened wide, safe grating connected to the controller and safe laser scanner are equipped in the front end of shield, the rolling screen door passed through for foaming mould is equipped on the side of shield, rolling screen door is controlled by controller, maintenance door is equipped in the other side of shield and rear, safety door switch is equipped in two maintenance doors, two safety door switchs are connect with controller communication, mounting platform is equipped in the top of shield, die heater, hydraulic station, power control cabinet in controller is mounted on mounting platform；It is equipped with oil pressure on the pedestal of polyurethane foam mould bases and lifts mould sliding rail；Positioning pin is equipped on uploading mould bases；It is locked in the manual safety that is respectively arranged on the left side and the right side for uploading mould bases.Above-mentioned polyurethane foam line is highly-safe, and occupied area is small, foaming mould easy to install.
Description
Technical field
The utility model relates to foaming machine fields, and in particular to a kind of polyurethane foam line.
Background technique
Polyurethane foam line is a kind of polyurethane materials to be made to foam in foaming mould form specific shape foaming piece
Equipment, foaming mould are usually made of upper mold and lower mold, existing polyurethane foam line include: polyurethane foam mould bases,
Die heater for being heated to foaming mould, is used the hydraulic station for providing power fluid force feed to polyurethane foam mould bases
In the controller of control polyurethane foam mould bases, the structure of polyurethane foam mould bases includes: pedestal, is provided with and is used on pedestal
The downloads template of fixed lower mold, downloads template can be gone up and down by the lifting cylinder on pedestal, and lower mold is enabled to increase
To die-closed position, it is provided with one above downloads template and uploads mould bases for fix upper mold, uploads the rear portion of mould bases
It is hinged with the base, is additionally provided with to drive on pedestal and uploads mould bases overturning and enable upper mold and under die-closed position
The overturning oil cylinder that mold mutually molds, when upper and lower mold clamping, the front for uploading mould bases can lean and to lock with the front of pedestal
Firmly；The die cavity with feed inlet can be formed after upper and lower mold clamping, polyurethane materials can be injected into die cavity by feed inlet,
Polyurethane is enabled to foam and formed the foaming piece of required shape in the die cavity of heating, after foaming, downloads template decline,
So that lower mold and upper mold die sinking, and release upload mould bases and pedestal to lock status, then driving uploads mould bases to turning over
Turn, worker is taken out foaming piece, and facilitate in the up and down mold of worker and spray release agent.Foaming mould is installed on poly-
Step in urethane foaming mould frame is as follows: (1) pushing foaming mould from the side of polyurethane foam mould bases and position to downloading
In template, then uploads mould bases and overturn to, to lock, then downloads template rises, so that on the lower mold in foaming mould with pedestal
Rise to die-closed position；(2) upper mold is mutually fixed with mould bases is uploaded to lock, lower mold is mutually fixed to lock with downloads template.
Above-mentioned polyurethane foam line, which has the following disadvantages:, is not provided with protection on the outside of (1) polyurethane foam mould bases, so that
There are security risks when work；(2) pass through the opposite lock of bolt with mould bases is uploaded due to upper mold, so leaking stubborn bolt or spiral shell
In the case that bolt is broken there is the security risk fallen in upper mold；(3) occupied area is larger；(4) foaming mould heavier-weight,
But the mechanism being not provided in downloads template convenient for the mobile adjustment of foaming mould, it installs so increasing foaming mould into poly- ammonia
Difficulty in ester foaming mould bases；(5) due to uploading, be not provided on mould bases can be to the positioning mechanism that foaming mould is positioned, institute
Only to lean on the positioning in downloads template that the lockhole on upper mold and lower mold can not be made to align well with corresponding lockhole.
Utility model content
The technical problem to be solved by the utility model is to will provide, a kind of safety, occupied area be small, foaming mould easy to install
The polyurethane foam line of tool.
To solve the above-mentioned problems, the technology employed by the present utility model is a kind of polyurethane foam line, comprising:
Polyurethane foam mould bases, the die heater for being heated to foaming mould are used to provide power fluid to polyurethane foam mould bases
The hydraulic station of pressure oil, the controller for controlling polyurethane foam mould bases, it is characterised in that: in the outside of polyurethane foam mould bases
It is provided with shield, the front end of shield is opened wide, so that shield will not influence worker and operate to polyurethane foam mould bases,
Be additionally provided with safe grating and safe laser scanner in the front end of shield, safe grating and safe laser scanner respectively with
Controller communicates connection, and the energy when foaming mould to be installed on polyurethane foam mould bases is being provided on the side of shield
Opening and closing for the rolling screen door that foaming mould passes through, rolling screen door is controlled by controller, is respectively provided in the other side of shield and rear
There is the maintenance door for repair apparatus, the safety door switch for detecting door opening and closing, two peaces are provided in two maintenance doors
Air cock switch is connect with controller communication, and mounting platform, die heater, hydraulic station, controller are provided with above shield
In power control cabinet be mounted on mounting platform；Being provided on the pedestal of polyurethane foam mould bases can move up and down and can wear
The oil pressure for crossing downloads template lifts mould sliding rail, and oil pressure is lifted after mould sliding rail is upward through downloads template and can be supported to foaming mould；
Positioning pin is provided on mould bases in uploading for polyurethane foam mould bases, positioning pin can be right by the location hole on insertion upper mold
Foaming mould is positioned；Polyurethane foam mould bases upload be respectively arranged at left and right sides of mould bases can prevent upper mold from
Upload the manual safety lock fallen on mould bases.
Further, a kind of polyurethane foam line above-mentioned, in which: the structure of manual safety lock includes: to be arranged in upload
Shaft in mould bases, the upper end of shaft is stretched out upwards uploads mould bases, and the lower end of shaft, which extends downwardly, uploads mould bases, the top of shaft
By a upper bearing (metal) with upload mould bases and mutually install, the lower part of shaft by a lower bearing with upload mould bases and mutually install so that
Shaft can the rotation on uploading mould bases, a flask board is provided on the lower end of shaft, is provided with one on the upper end of shaft
A turning handle for drive shaft rotation, by turning handle drive shaft rotate after can make flask board be rocked to upload it is upper on mould bases
The lower section of mold enables flask board to carry out holding to upper mold, to prevent upper mold from falling, in being arranged in upper bearing (metal)
It is provided with positioning groove on shaft outer wall, the night bolt that can be inserted into positioning groove is equipped on upper bearing (metal), is also wrapped
Include: can by for turning handle against and the first abutment plate and the second abutment plate that the rotation angle of shaft is limited, first
It is provided with first in abutment plate close to switch, second is provided in the second abutment plate close to switch, the first, second close switch
It is connect respectively with controller communication, when shaft, which is rotated to turning handle and the first abutment plate, to lean, flask board can be rocked to upper mold
The lower section of tool, turning handle can trigger first close to switch, positioning groove can with night bolt face so that bolt exists in night bolt
It can be automatically inserted under the action of spring into positioning groove and shaft is positioned；When overcoming spring force to be manually pulled out bolt
And when reversely rotating shaft to turning handle and the second abutment plate and leaning, flask board can leave the lower section of upper mold, and turning handle can trigger
Second close switch.
Further, a kind of polyurethane foam line above-mentioned, in which: be additionally provided on mounting platform can aspirate diffuse in
The blower of release agent around polyurethane foam mould bases.
Further, a kind of polyurethane foam line above-mentioned, in which: be additionally provided in the front of shield de- for hanging
The spray gun hanger of mould agent spray gun is provided with the fan switch for controlling blower on spray gun hanger, when release agent spray gun is hung on spray
When on rifle hanger, release agent spray gun can be acted on fan switch, so that blower is closed；When release agent spray gun is from spray gun hanger
When removing, fan switch will be detached from the effect of release agent spray gun, so that blower is opened.
Further, a kind of polyurethane foam line above-mentioned, in which: be provided on the pedestal of polyurethane foam mould bases with
The electronic ruler of controller communication connection, the magnet on electronic ruler are mutually fixed with downloads template, energy band when downloads template moves up and down
Magnet moved up and down along electronic ruler, thus controller can be controlled by electronic ruler downloads template lifting height.
The advantages of the utility model are as follows: polyurethane foam line described in the utility model is due to being provided with shield, safety
Grating, safe laser scanner, manual safety lock, to substantially increase safety, and since mould sliding rail is lifted in setting and is determined
Position pin, so that the installation of foaming mould is more quick and easy, laborsaving；In addition, due to will be in die heater, hydraulic station, controller
Power control cabinet, blower are all set on the mounting platform on polyurethane foam mould bases, so that polyurethane foam line takes up a large area
It is big to reduce；Further, since the blower for extracting release agent is provided with, so that the release agent that worker draws greatly reduces, thus favorably
In the health of worker.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of polyurethane foam line described in the utility model.
Fig. 2 is the structural schematic diagram of polyurethane foam mould bases shown in Fig. 1.
Fig. 3 is the structural schematic diagram of the lock of manual safety shown in Fig. 1.
Specific embodiment
The utility model is described in further detail with attached drawing combined with specific embodiments below.
As shown in Figure 1, a kind of polyurethane foam line, comprising: polyurethane foam mould bases 1, for adding to foaming mould
Heat die heater 2, for polyurethane foam mould bases 1 provide power fluid force feed hydraulic station 3, for controlling polyurethane foam mould
The controller of frame 1 is provided with shield 5 in the outside of polyurethane foam mould bases 1, and the front end of shield 5 is opened wide, so that shield
5, which will not influence worker, operates polyurethane foam mould bases 1, is additionally provided with safe grating 51 and peace in the front end of shield 5
Full laser scanner 52, safe grating 51 and safe laser scanner 52 communicate with controller connect respectively, send out in polyurethane
When steeping the work of mould bases 1, if safe grating 51 or safe laser scanner 52 have detected that object enters polyurethane foam mould
The working region in 1 front of frame prevents polyurethane foam mould then controller can make immediately polyurethane foam mould bases 1 stop working
Mould bases 11 of uploading on frame 1 is flipped up and accidentally injures worker；It is provided on the side of shield 5 and is installed on by foaming mould
It can be controlled for the rolling screen door 53 that foaming mould passes through, the opening and closing of rolling screen door 53 by controller when on polyurethane foam mould bases 1, anti-
The other side and rear of shield 5 are provided with the maintenance door 54 for repair apparatus, are provided with and are used in two maintenance doors 54
The safety door switch of door opening and closing is detected, two safety door switchs are connect with controller communication, and rolling screen door 53 and maintenance door is arranged
54 are for reducing security risk when polyurethane foam mould bases 1 works, when polyurethane foam mould bases 1 works, if peace
Air cock switch detects that maintenance door 54 is opened, then controller can make immediately polyurethane foam mould bases 1 stop working；It is protecting
The top of cover 5 is provided with mounting platform 6, and die heater 2, hydraulic station 3, the power control cabinet 4 in controller are mounted on mounting platform 6
On, setting in this way can substantially reduce the occupied area of polyurethane foam line；It is provided on the pedestal 14 of polyurethane foam mould bases 1
Can move up and down and the oil pressure that can pass through downloads template 13 lifts mould sliding rail 131, in the present embodiment, oil pressure lift mould sliding rail 131 by
Oil cylinder driving lifting, oil pressure are lifted after mould sliding rail 131 is upward through downloads template 13 and can be supported to foaming mould, foam in this way
Mold can adjust position by lifting to slide on mould sliding rail in oil pressure come rapid, labour-saving, so that foaming mould be facilitated to install；?
Uploading for polyurethane foam mould bases 1 is provided with positioning pin 111 on mould bases 11, positioning pin 111 can be by determining on insertion upper mold
Position hole and foaming mould is positioned, in this way be arranged after can make foaming mould position more accurately, to make foaming mould
It is easier for installation.
In the present embodiment, as shown in Figure 2 and Figure 3, in the left and right sides for uploading mould bases 11 of polyurethane foam mould bases 1 point
Not being provided with can prevent upper mold from locking 12 from the manual safety fallen on mould bases 11 is uploaded.Manual safety lock 12 structure include:
It is arranged in the shaft 121 uploaded in mould bases 11, the upper end of shaft 121 is stretched out upwards uploads mould bases 11, and the lower end of shaft 121 is downward
Mould bases 11 is uploaded in stretching, and the top of shaft 121 is installed by a upper bearing (metal) 122 with 11 phase of mould bases is uploaded, the lower part of shaft 121
By a lower bearing 123 with upload the installation of 11 phase of mould bases, enable the rotation on uploading mould bases 11 of shaft 121, in shaft 121
Lower end on be provided with a flask board 124, one is provided on the upper end of shaft 121 for 121 rotation of drive shaft
Turning handle 125 can be such that flask board 124 is rocked to and upload the upper mold on mould bases 11 after rotating by 125 drive shaft 121 of turning handle
Lower section enables flask board 124 to carry out holding to upper mold, to prevent upper mold from falling, in being arranged in upper bearing (metal) 122
It is provided with positioning groove on 121 outer wall of shaft, the night bolt that can be inserted into positioning groove is equipped on upper bearing (metal) 122
126, further includes: can by for turning handle 125 against and 127 He of the first abutment plate that the rotation angle of shaft 121 is limited
Second abutment plate 128 is provided with first close to switch 1271 in the first abutment plate 127, is provided in the second abutment plate 128
Second connect with controller communication close to switch 1281, first, second close to switch 1271,1281 respectively, when shaft 121 rotates
When leaning to turning handle 125 and the first abutment plate 127, flask board 124 can be rocked to the lower section of upper mold, and turning handle 125 can trigger
First close to switch 1271, and positioning groove can be with 126 face of night bolt, so that work of the bolt in spring in night bolt 126
It can be automatically inserted under into positioning groove and shaft 121 is positioned, only when first is triggered close to switch 1271
Just show that flask board 124 is located at the lower section of upper mold, at this moment controller can just make polyurethane foam mould bases 1 work；When overcoming bullet
When spring force is manually pulled out bolt and reversely rotates shaft 121 to turning handle 125 and the second abutment plate 128 and lean, flask board 124
The lower section of upper mold can be left, turning handle 125 can trigger second close to switch 1281.
In the present embodiment, it is additionally provided with to aspirate on mounting platform 6 and diffuses taking off around polyurethane foam mould bases 1
The blower 7 of mould agent.The amount that can be reduced worker and suck release agent is aspirated by blower 7, is conducive to the health of worker in this way；It is protecting
The front of cover 5 is additionally provided with the spray gun hanger 71 for hanging release agent spray gun, is provided on spray gun hanger 71 for controlling wind
The fan switch of machine 7, when release agent spray gun is hung on spray gun hanger 71, release agent spray gun can be acted on fan switch, be made
Blower 7 is obtained to close；When release agent spray gun is removed from spray gun hanger 71, fan switch will be detached from the work of release agent spray gun
With so that blower 7 is opened.The function of auto-pumping release agent can be played after being arranged in this way.
In the present embodiment, the electronics connecting with controller communication is provided on the pedestal 14 of polyurethane foam mould bases 1
Ruler 8, the magnet on electronic ruler 8 are fixed with 13 phase of downloads template, can be with magnet along electronics when downloads template 13 moves up and down
Ruler 8 moves up and down, so that controller can control the height of the lifting of downloads template 13 by electronic ruler 8.
Claims (5)
1. a kind of polyurethane foam line, comprising: polyurethane foam mould bases, is used the die heater for being heated to foaming mould
It is special in hydraulic station, the controller for controlling polyurethane foam mould bases to polyurethane foam mould bases offer power fluid force feed
Sign is: shield is provided on the outside of polyurethane foam mould bases, the front end of shield is opened wide, so that shield will not influence
Worker operates polyurethane foam mould bases, is additionally provided with safe grating and safe laser scanner in the front end of shield,
Safe grating and safe laser scanner communicate with controller connect respectively, and being provided on the side of shield will foam
Mold can be for the rolling screen door that foaming mould passes through when being installed on polyurethane foam mould bases, and the opening and closing of rolling screen door is by controller control
System, is provided with the maintenance door for repair apparatus in the other side of shield and rear, is provided with use in two maintenance doors
In the safety door switch of detection door opening and closing, two safety door switchs are connect with controller communication, are arranged in the top of shield
There is a mounting platform, die heater, hydraulic station, the power control cabinet in controller are mounted on mounting platform；In polyurethane foam mould bases
Pedestal on be provided with can move up and down and can pass through downloads template oil pressure lift mould sliding rail, oil pressure lift mould sliding rail be upward through
Foaming mould can be supported after downloads template；It is provided with positioning pin on mould bases in uploading for polyurethane foam mould bases, positions
Pin can position foaming mould by the location hole on insertion upper mold；In the mould bases of uploading of polyurethane foam mould bases
The left and right sides, which is respectively arranged with, can prevent upper mold from locking from the manual safety fallen on mould bases is uploaded.
2. a kind of polyurethane foam line according to claim 1, it is characterised in that: the structure of manual safety lock includes: to wear
Set on the shaft uploaded in mould bases, the upper end of shaft is stretched out upwards uploads mould bases, and the lower end of shaft, which extends downwardly, uploads mould bases, turns
The top of axis is by upper bearing (metal) and uploads mould bases and mutually installs, and the lower part of shaft passes through a lower bearing and lives in peace with each other with mould bases is uploaded
Dress, enables shaft rotation on uploading mould bases, and a flask board is provided on the lower end of shaft, is set on the upper end of shaft
It is equipped with the turning handle for drive shaft rotation, flask board can be made to be rocked to after rotating by turning handle drive shaft and upload mould bases
On upper mold lower section, enable flask board to carry out holding to upper mold and to prevent upper mold from falling be arranged in upper axis
It is provided with positioning groove on the shaft outer wall held, the spring that one can be inserted into positioning groove is equipped on upper bearing (metal) and is inserted
Pin, further includes: can by for turning handle against and the first abutment plate and the second abutment plate that the rotation angle of shaft is limited,
It is provided with first in the first abutment plate close to switch, second is provided in the second abutment plate close to switch, first, second connects
Nearly switch is connect with controller communication respectively, and when shaft, which is rotated to turning handle and the first abutment plate, to lean, flask board can be swung
To the lower section of upper mold, turning handle can trigger first close to switch, positioning groove can with night bolt face so that in night bolt
Bolt can be automatically inserted into positioning groove position to shaft under the action of the spring；When overcoming spring force to draw manually
Bolt and when reversely rotating shaft to turning handle and the second abutment plate and leaning out, flask board can leave the lower section of upper mold, turning handle
Second can be triggered close to switch.
3. a kind of polyurethane foam line according to claim 1 or 2, it is characterised in that: be additionally provided on mounting platform
The blower for diffusing the release agent around polyurethane foam mould bases can be aspirated.
4. a kind of polyurethane foam line according to claim 3, it is characterised in that: be additionally provided with use in the front of shield
In being provided with the fan switch for controlling blower on the spray gun hanger of suspension release agent spray gun, spray gun hanger, when release agent sprays
When rifle is hung on spray gun hanger, release agent spray gun can be acted on fan switch, so that blower is closed；When release agent spray gun is from spray
When removing on rifle hanger, fan switch will be detached from the effect of release agent spray gun, so that blower is opened.
5. a kind of polyurethane foam line according to claim 1 or 2, it is characterised in that: at the bottom of polyurethane foam mould bases
The electronic ruler connecting with controller communication is provided on seat, the magnet on electronic ruler is mutually fixed with downloads template, in downloads template
It can be moved up and down with magnet along electronic ruler when lower mobile, so that controller can control downloads template lifting by electronic ruler
Height.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821513311.8U CN208962285U (en) | 2018-09-17 | 2018-09-17 | A kind of polyurethane foam line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821513311.8U CN208962285U (en) | 2018-09-17 | 2018-09-17 | A kind of polyurethane foam line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208962285U true CN208962285U (en) | 2019-06-11 |
Family
ID=66755448
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821513311.8U Withdrawn - After Issue CN208962285U (en) | 2018-09-17 | 2018-09-17 | A kind of polyurethane foam line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208962285U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109049477A (en) * | 2018-09-17 | 2018-12-21 | 张家港力勤机械有限公司 | A kind of polyurethane foam line |
-
2018
- 2018-09-17 CN CN201821513311.8U patent/CN208962285U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109049477A (en) * | 2018-09-17 | 2018-12-21 | 张家港力勤机械有限公司 | A kind of polyurethane foam line |
| CN109049477B (en) * | 2018-09-17 | 2024-03-19 | 张家港力勤机械有限公司 | Polyurethane foaming line |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20190611 Effective date of abandoning: 20240319 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20190611 Effective date of abandoning: 20240319 |